Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Designed for high-speed bus communication within the CJ-series PLC platform, the CJ1W-CRM21 establishes a robust interface between control systems and decentralized I/O devices over CompoNet networks. Operating as a dedicated CJ-series Special I/O Unit, this master module facilitates rapid data transfer with distributed sensors, actuators, and remote terminals to minimize processing overhead at the CPU level.
The module mounts directly onto the PLC backplane, drawing internal power directly from the system's power supply unit. For external field communication, it features an integrated communications power supply connector capable of supporting high current capacities, complete with built-in real-time power monitoring to flag voltage or connection anomalies immediately.
| Omron |
| CJ1W-CRM21 |
| CJ-series Special I/O Unit |
| 400 mA max. at 5 VDC (supplied from Power Supply Unit) |
| 5 A max. (allowable current capacity) |
| ON/OFF status detection at the communications power supply connector |
| Conforms to IEC 61000-4-4, 2 kV (applied to power supply) |
| 196 m/s2 (3 times each in X, Y, and Z directions) |
| 0 to 55 degC |
| 8.0 cm x 3.1 cm x 9.7 cm |
| 0.13 kg |
| Interface Type | Function / Description |
|---|---|
| Direct connection to Omron CJ-series system bus | |
| Interface for external network power with built-in voltage monitoring (5 A max.) |
Global Express Shipping
Returns & Warranty

Designed for high-speed bus communication within the CJ-series PLC platform, the CJ1W-CRM21 establishes a robust interface between control systems and decentralized I/O devices over CompoNet networks. Operating as a dedicated CJ-series Special I/O Unit, this master module facilitates rapid data transfer with distributed sensors, actuators, and remote terminals to minimize processing overhead at the CPU level.
The module mounts directly onto the PLC backplane, drawing internal power directly from the system's power supply unit. For external field communication, it features an integrated communications power supply connector capable of supporting high current capacities, complete with built-in real-time power monitoring to flag voltage or connection anomalies immediately.
| Omron |
| CJ1W-CRM21 |
| CJ-series Special I/O Unit |
| 400 mA max. at 5 VDC (supplied from Power Supply Unit) |
| 5 A max. (allowable current capacity) |
| ON/OFF status detection at the communications power supply connector |
| Conforms to IEC 61000-4-4, 2 kV (applied to power supply) |
| 196 m/s2 (3 times each in X, Y, and Z directions) |
| 0 to 55 degC |
| 8.0 cm x 3.1 cm x 9.7 cm |
| 0.13 kg |
| Interface Type | Function / Description |
|---|---|
| Direct connection to Omron CJ-series system bus | |
| Interface for external network power with built-in voltage monitoring (5 A max.) |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|